National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Georgetown Lake (MTGTL)

Lat: 46.191°NLon: 113.3°WElev: 6338.0ft.

NA

41°F

5°C

Humidity 96%
Wind Speed N 3 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 19 Sep 10:30 PM MDT
Extended Forecast for

Anaconda MT

  • Tonight

    Tonight: Partly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 66. Calm wind becoming east 5 to 7 mph in the afternoon.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41. East northeast wind around 5 mph becoming light and variable.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 71. Light and variable wind becoming north northwest around 6 mph in the afternoon.

    High: 71 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 45. North wind around 6 mph becoming light and variable in the evening.

    Low: 45 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 39. Calm wind.
Sunday
Sunny, with a high near 66. Calm wind becoming east 5 to 7 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 41. East northeast wind around 5 mph becoming light and variable.
Monday
Sunny, with a high near 71. Light and variable wind becoming north northwest around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 45. North wind around 6 mph becoming light and variable in the evening.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Mostly sunny, with a high near 72.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
Sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 72.
Friday Night
Mostly cloudy, with a low around 43.
Saturday
A slight chance of rain. Partly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Anaconda MT
 46.12°N 112.95°W (Elev. 5394 ft)
Last Update:
2:01 pm MDT Sep 19, 2026
Forecast Valid:
10pm MDT Sep 19, 2026-6pm MDT Sep 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation